[net-next PATCH 1/2] dt-bindings: net: snps,dwmac: DMA Arbitration scheme

Conor Dooley conor at kernel.org
Wed Sep 27 07:59:32 PDT 2023


On Wed, Sep 27, 2023 at 02:29:27PM +0200, Christian Marangi wrote:
> Document new binding snps,arbit to program the DMA to use Arbitration
> scheme. (Rx has priority over Tx)
> 
> Signed-off-by: Christian Marangi <ansuelsmth at gmail.com>
> ---
>  Documentation/devicetree/bindings/net/snps,dwmac.yaml | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> index 5c2769dc689a..4499f221c29b 100644
> --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> @@ -442,6 +442,12 @@ properties:
>      description:
>        Use Address-Aligned Beats
>  
> +  snps,arbit:
> +    $ref: /schemas/types.yaml#/definitions/flag
> +    description:
> +      Program the DMA to use Arbitration scheme.
> +      (Rx has priority over Tx)

Can you explain please what makes this a property of the hardware, or
otherwise makes it suitable for inclusion in DT?

> +
>    snps,fixed-burst:
>      $ref: /schemas/types.yaml#/definitions/flag
>      description:
> -- 
> 2.40.1
> 
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